<template>
  <div class="box">
    <h1>我是子组件event1</h1>
    <button @click="">点击我也执行</button>
  </div>
</template>

<script setup lang="ts"></script>

<style scoped>
.box {
  width: 400px;
  height: 200px;
  background: skyblue;
}
</style>
